CVE-2018-16868

Description

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868

http://www.securityfocus.com/bid/106080

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html

http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html

http://cat.eyalro.net/

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3